EP2035495A1 - Matière plastique contenant du sulfure de zinc - Google Patents

Matière plastique contenant du sulfure de zinc

Info

Publication number
EP2035495A1
EP2035495A1 EP07786786A EP07786786A EP2035495A1 EP 2035495 A1 EP2035495 A1 EP 2035495A1 EP 07786786 A EP07786786 A EP 07786786A EP 07786786 A EP07786786 A EP 07786786A EP 2035495 A1 EP2035495 A1 EP 2035495A1
Authority
EP
European Patent Office
Prior art keywords
plastic
rubber
phr
zinc sulfide
plastic according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07786786A
Other languages
German (de)
English (en)
Other versions
EP2035495B1 (fr
Inventor
Stéphane DAVID
Petra Fritzen
Ludger Heiming
Thomas Rentschler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Venator Germany GmbH
Original Assignee
Sachtleben Chemie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sachtleben Chemie GmbH filed Critical Sachtleben Chemie GmbH
Priority to PL07786786T priority Critical patent/PL2035495T3/pl
Publication of EP2035495A1 publication Critical patent/EP2035495A1/fr
Application granted granted Critical
Publication of EP2035495B1 publication Critical patent/EP2035495B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent

Definitions

  • the present invention is a zinc sulfide-containing plastic and its use.
  • the invention also relates to the improvement of the thermal stability of plastics, in particular of thermoplastic and elastomeric plastics, by the use of zinc sulfide, in particular in combination with organic antioxidants and organic metal deactivators.
  • Plastics in particular thermoplastic and elastomeric plastics, are increasingly used in applications with high lifetime requirements. Examples include the following applications: cable insulation, hot water pipes, for example, for underfloor heating, hoses in washing machines and dishwashers, and pump housings. Plastics based on polymers such as polyethylene (PE) and polypropylene (PP) are mainly used in these applications. Applications for elastomeric plastics, for example based on polymers such as styrene-butadiene rubber (SBR), include, for example, gaskets and vibration dampers. The plastics are exposed to various stresses during their processing and in the end use, which have a decisive influence on the life of the plastic. Mechanical stress, temperature and UV light cause damage to the polymer, so that visual and mechanical properties deteriorate, that is, for example, yellowing and embrittlement occur.
  • SBR styrene-butadiene rubber
  • the homolytic decomposition of the hydroperoxide ROOH into the radicals RO * and * 0H is rate-determining for the autoxidation, since a high activation energy is required and the reaction takes place only from temperatures above 150 ° C.
  • the presence of catalytic amounts of heavy metal ions lowers the activation energy and allows the decomposition of the hydroperoxide to take place already at room temperature.
  • Catalytically active are those metals whose oxidation states differ by one unit have comparable stability. These include, for example, Cu + VCu + 2 , Fe + 2 / Fe + 3 , Co + 2 / Co + 3 or Mn + 2 / Mn + 3 .
  • the redox process can be described as follows (AJ Chalk and JF Smith, Trans. Farad Soc 53 (1957), p 1214):
  • M Fe 1 Cu, Mn, Co, Ce, V
  • the heavy metal ions are of great importance for the stability of the polymer.
  • Heavy metal ions are introduced, for example, via mineral fillers such as talc, calcium carbonate, kaolin or barium sulfate. These fillers are intended to improve, for example, the mechanical properties of plastics such as impact resistance, stiffness, dimensional stability and sound insulation. Direct contact of the plastic with a heavy metal, in particular copper, for example, in the applications hot water pipes, in turn, for example, in underfloor heating, and cable insulation.
  • metal deactivators are additionally used for basic stabilization by organic antioxidants (AO).
  • Sterically hindered phenols secondary aromatic amines, aminophenols, thioethers, phosphites and phosphonites, hindered amines, epoxide compounds.
  • organic compounds are typically used which, as chelating agents, are able to immobilize heavy metal ions in the form of metal complexes.
  • connection classes are used:
  • the object of the present invention is therefore to overcome the disadvantages of the prior art.
  • the object is achieved by a plastic containing zinc sulfide, which has a mean particle size dso of 1 to 400 nm, preferably from 1 to 250 nm, more preferably from 1 to 50 nm, particularly preferably from 3 to 20 nm, very particularly preferably from 5 to 15 nm.
  • a plastic containing zinc sulfide which has a mean particle size dso of 1 to 400 nm, preferably from 1 to 250 nm, more preferably from 1 to 50 nm, particularly preferably from 3 to 20 nm, very particularly preferably from 5 to 15 nm.
  • plastics containing zinc sulfide in combination with organic antioxidants and metal deactivators have a markedly increased long-term thermal stability and aging resistance compared with plastics stabilized according to the prior art.
  • the present invention is a zinc sulfide-containing plastic having increased long-term thermostability and / or aging resistance and its use.
  • a plastic containing zinc sulfide with a mean particle size d 5 o of 300 to 350 nm (Sachtolith HD-S) in combination with organic antioxidants and metal deactivators, already by 50% increased long-term thermostability and Resistance to aging compared to stabilized according to the prior art plastics.
  • a plastic containing zinc sulfide with an average particle size d 5 o of 1 to 250 nm (ZnS (nano)) in combination with organic antioxidants and metal deactivators has a more than 100% increased long-term thermostability and aging resistance compared to the prior art Technology stabilized plastics.
  • Such a plastic contains according to the invention for example: 12 to 99.8 wt .-% thermoplastic, 0 to 80 wt .-% mineral filler, 0.05 to 1, 0 wt .-% antioxidant, 0.05 to 2.0 wt. % organic metal deactivator and 0.1 to 5.0% by weight ZnS (nano).
  • the rate of elasticity loss of an elastomeric plastic for example based on a styrene-butadiene rubber (SBR), at high temperature by the addition of zinc sulfide having an average particle size d ⁇ o from 1 to 250 nm (ZnS (nano)) reduced become.
  • SBR styrene-butadiene rubber
  • such an elastomeric plastic contains, for example, 100 phr of elastomer, 0 to 10 phr of vulcanization accelerator, 0 to 10 phr of vulcanization retarder, 0 to 20 phr of zinc oxide, 0 to 10 phr of stearic acid, 0 to 20 phr of sulfur and / or peroxide, 0 to 300 phr mineral filler, 0 to 200 phr plasticizer, 0 to 30 phr protective system containing, for example, antioxidants and antiozonants, and 0.1 to 10 phr, preferably 0.5 to 7, more preferably 2 to 5 phr ZnS (nano).
  • elastomers and known to those skilled in the proportions of the components in phr (parts per hundred resin) indicated.
  • the sulfide anions of the zinc sulfide with the heavy metal ions form sparingly soluble heavy metal sulfides that do not migrate in the plastic.
  • the heavy metal ions are only very limited available as a catalyst for the autoxidation of the polymer.
  • the production of the plastics according to the invention is carried out by methods according to the prior art.
  • BET specific surface area
  • Phosphorus carbon, manganese, oxygen, sulfur, silicon,
  • the organic surface modification is selected from at least one of the following substance classes: polyethers, siloxanes, polysiloxanes, polycarboxylic acids, polyesters, polyamides,
  • thermoplastic material • in a proportion of 0.1 to 5 wt .-%, preferably 0.2 to 2 wt .-%, particularly preferably 0.5 to 1, 5 wt .-% is present in the finished plastic; - It is the plastic is a thermoplastic material, wherein:
  • thermoplastic is preferably selected from: polyethylene (PE), polypropylene (PP), polybutylene (PB), polyamide (PA), polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene terpolymer (ABS), polymethyl methacrylate
  • PE polyethylene
  • PP polypropylene
  • PB polybutylene
  • PA polyamide
  • PVC polyvinyl chloride
  • ABS acrylonitrile-butadiene-styrene terpolymer
  • ABS polymethyl methacrylate
  • PMMA polycarbonate
  • PC polyoxymethylene
  • PBT Polybutylene terephthalate
  • PUR polyurethane
  • thermoplastic material comprises 12 to 99.8% by weight of thermoplastic, 0 to 80% by weight of mineral filler, 0 to 80% by weight of flame retardant, 0.05 to 1.0% by weight of antioxidant, 0.05 up to 2.0% by weight of organic metal deactivator and 0.1 to 5% by weight, preferably 0.2 to 2% by weight, particularly preferably 0.5 to 1.5% by weight, of ZnS ( nano);
  • plastic is an elastomeric plastic, wherein:
  • the elastomer is preferably selected from: natural rubber (NR),
  • Isoprene rubber IR
  • butyl rubber CUR, BIIR
  • butadiene rubber BR
  • SBR styrene butadiene rubber
  • NBR acrylonitrile butadiene rubber
  • BIIR bromobutyl rubber
  • SBIR styrene Butadiene-isoprene rubber
  • chloroprene rubber CR
  • chlorosulfonated polyethylene rubber CSM
  • HNBR hydrogenated NBR rubber
  • VMQ acrylate-ethylene rubber
  • AEM acrylate rubber
  • ACM acrylate rubber
  • FKM fluoro rubber
  • FVMQ fluorosilicone rubber
  • thermoplastic elastomers TPE
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers
  • TPE thermoplastic elastomers based on polyamide
  • TPC based on copolyesters
  • TPO olefins
  • TPS styrene
  • TPU Polyurethane
  • TPV cross-linked rubber
  • Antiozonantien and 0.1 to 10 phr, preferably 0.5 to 7, particularly preferably 2 to 5 phr ZnS (nano) contains;
  • BET specific surface area
  • Phosphorus carbon, manganese, oxygen, sulfur, silicon,
  • the organic surface modification is selected from at least one of the following substance classes: polyethers, siloxanes, polysiloxanes, polycarboxylic acids, polyesters, polyamides,
  • masterbatches were prepared with formulations according to the prior art. In the production of masterbatches, the addition of dispersants, antioxidants and metal deactivators was dispensed with.
  • test pieces 125 mm ⁇ 10 mm ⁇ 0.5 mm
  • test pieces 125 mm ⁇ 10 mm ⁇ 0.5 mm
  • Example 1 Thermostability test WAP (heat aging test) 140 ° C
  • the thermal stability test TAT was in a convection oven analogously to DIN 53383 at 140 0 C.
  • the specimens were hung by means of a clip in the drying oven. As soon as a specimen on the degradation Polymer in the form of brown specks, this was removed from the test program. The time was recorded. The results are shown in Table 2.
  • Example 2 Combined water storage 1500h / 85 0 C and oven aging WAP 140 0 C
  • Example 3 Thermal stability test WAP 140 ° C. with copper contact
  • thermoplastic materials have the following composition: 75.25 wt .-% PP, 20 wt .-% talc, 0.15 wt .-% antioxidants (polynuclear phenols and alkyl disulfide), 0.1 wt .-% Metalldesakt ivator (tris [2-tert-butyl-4 -thio (2'-methyl-4'-hydroxy-5'-tert-butyl) -phenyl-5-methyl] -phenyl phosphite) and 4.5% by weight of Sachtolith HD-S.
  • PP polynuclear phenols and alkyl disulfide
  • antioxidants polynuclear phenols and alkyl disulfide
  • metal deactivator tris [2-tert-butyl-4 -thio (2'-methyl-4'-hydroxy-5'-tert-butyl) -phenyl-5-methyl] -phenyl phosphite) and 1 wt% ZnS (nano).
  • Example 4 Oven aging of a styrene-butadiene rubber at 150 ° C
  • Example 5 Heat stability test WAP 150 0 C with copper contact
  • the thermal stability test TAT was similarly in a convection drying cabinet DIN 53383 at 150 0 C.
  • the specimens were wrapped with Cu foil and hung by means of a clip in the drying oven. After 3, 4, 5, 6, 7 and 10 days, the test specimens were removed from the drying oven, the Cu foil removed and the Shore A hardness determined analogously to DIN 53505 at the point with Cu contact. A higher Shore A hardness is a measure of the unwanted embrittlement of the material.
  • Fig. 2 abscissa: time in days

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne une matière plastique contenant du sulfure de zinc et son utilisation.
EP07786786.9A 2006-06-21 2007-06-21 Matière plastique contenant du sulfure de zinc Active EP2035495B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07786786T PL2035495T3 (pl) 2006-06-21 2007-06-21 Tworzywo sztuczne zawierające siarczek cynku

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006028896 2006-06-21
PCT/EP2007/056192 WO2007147871A1 (fr) 2006-06-21 2007-06-21 Matière plastique contenant du sulfure de zinc

Publications (2)

Publication Number Publication Date
EP2035495A1 true EP2035495A1 (fr) 2009-03-18
EP2035495B1 EP2035495B1 (fr) 2019-09-04

Family

ID=38372389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07786786.9A Active EP2035495B1 (fr) 2006-06-21 2007-06-21 Matière plastique contenant du sulfure de zinc

Country Status (8)

Country Link
US (1) US8383712B2 (fr)
EP (1) EP2035495B1 (fr)
CA (1) CA2655883A1 (fr)
DE (1) DE102007029070A1 (fr)
ES (1) ES2752024T3 (fr)
PL (1) PL2035495T3 (fr)
PT (1) PT2035495T (fr)
WO (1) WO2007147871A1 (fr)

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US8829349B2 (en) * 2008-12-18 2014-09-09 Exxonmobil Chemical Patents Inc. Oxides for protection against electrochemical oxidation and ionic contamination in medium-voltage power-cable insulation
WO2010132766A2 (fr) * 2009-05-14 2010-11-18 General Cable Technologies Corporation Compositions isolantes améliorées contenant des stabilisants à base de zinc
US9312047B2 (en) 2012-06-22 2016-04-12 Honeywell International Inc. Method and compositions for producing polymer blends
ES2621053T3 (es) * 2012-08-28 2017-06-30 Ems-Patent Ag Masa de moldeo de poliamida y su uso
CN102993523A (zh) * 2012-11-13 2013-03-27 安徽文峰电子科技集团有限公司 一种舰船用浮标通信电缆护套绝缘材料及其制备方法
EP2796503B1 (fr) * 2013-04-26 2016-03-02 LANXESS Deutschland GmbH Compositions contenant des thermoplastiques à base de chlorure de polyvinyle et comprenant des microgels NBR réticulés et modifiés avec des groupes hydroxyles
CN103613896B (zh) * 2013-12-04 2016-01-20 国家电网公司 一种电缆填充材料及其制备方法
DE102014018586A1 (de) * 2014-12-17 2016-06-23 Merck Patent Gmbh Lasermarkierbare und laserschweißbare polymere Materialien
EP3135723A1 (fr) 2015-08-28 2017-03-01 DSM IP Assets B.V. Composition thermoplastique contenant du sulfure de zinc revêtu avec de l'oxyde de silicium
WO2017133918A1 (fr) * 2016-02-02 2017-08-10 Sabic Global Technologies B.V. Tuyau fabriqué avec une composition polymère comprenant un polyéthylène
US11485856B2 (en) * 2017-05-05 2022-11-01 Ticona Llc Polyoxymethylene polymer composition that is chemical resistant
CN109627655A (zh) * 2018-12-27 2019-04-16 太仓冠联高分子材料有限公司 一种脚轮专用混炼胶及其制备方法
CN110330781A (zh) * 2019-06-04 2019-10-15 中电鼎康（天长）科技有限公司 一种减震耐老化传感器外壳材料及其制备方法
CN110591275A (zh) * 2019-10-09 2019-12-20 中广核高新核材科技（苏州）有限公司 耐150℃的汽车线用热塑性低烟无卤阻燃聚丙烯电缆料

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Also Published As

Publication number Publication date
ES2752024T3 (es) 2020-04-02
DE102007029070A1 (de) 2007-12-27
US20100160514A1 (en) 2010-06-24
EP2035495B1 (fr) 2019-09-04
WO2007147871A1 (fr) 2007-12-27
PT2035495T (pt) 2019-12-09
CA2655883A1 (fr) 2007-12-27
PL2035495T3 (pl) 2020-02-28
US8383712B2 (en) 2013-02-26

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